45550222 has 16 divisors (see below), whose sum is σ = 70815744. Its totient is φ = 21951000.

The previous prime is 45550181. The next prime is 45550231. The reversal of 45550222 is 22205554.

It is a happy number.

45550222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15447 + ... + 18157.

It is an arithmetic number, because the mean of its divisors is an integer number (4425984).

Almost surely, 2^45550222 is an apocalyptic number.

45550222 is a deficient number, since it is larger than the sum of its proper divisors (25265522).

45550222 is a wasteful number, since it uses less digits than its factorization.

45550222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45550222 is about 6749.0904572394. The cubic root of 45550222 is about 357.1331513248.

Adding to 45550222 its reverse (22205554), we get a palindrome (67755776).

The spelling of 45550222 in words is "forty-five million, five hundred fifty thousand, two hundred twenty-two".